v3.26.1
Cover
May 07, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date May 07, 2026
Entity File Number 001-37544
Entity Registrant Name ARMATA PHARMACEUTICALS, INC.
Entity Central Index Key 0000921114
Entity Tax Identification Number 91-1549568
Entity Incorporation, State or Country Code WA
Entity Address, Address Line One 5005 McConnell Avenue
Entity Address, City or Town Los Angeles
Entity Address, State or Province CA
Entity Address, Postal Zip Code 90066
City Area Code 310
Local Phone Number 665-2928
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock
Trading Symbol ARMP
Security Exchange Name NYSEAMER
Entity Emerging Growth Company false